Cross-cultural studies, also known as comparative cultural studies, explore the cultural similarities and differences between two or more groups with different cultural backgrounds. There are a number of other terms that can be used as synonyms for cross-cultural studies, including intercultural studies, transcultural studies, and cross-national studies. Intercultural studies place emphasis on communication and interaction between people from different cultures, while transcultural studies explore the interaction between cultures across time and space. Cross-national studies are more focused on the differences and similarities in social, economic, and political systems between different nations. Regardless of what term is used, these studies are crucial in understanding and appreciating different cultures and promoting global harmony and cooperation.